EP1054199A1 - Motorised valve for a selective distribution assembly for circulating fluid - Google Patents

Motorised valve for a selective distribution assembly for circulating fluid Download PDF

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Publication number
EP1054199A1
EP1054199A1 EP00420100A EP00420100A EP1054199A1 EP 1054199 A1 EP1054199 A1 EP 1054199A1 EP 00420100 A EP00420100 A EP 00420100A EP 00420100 A EP00420100 A EP 00420100A EP 1054199 A1 EP1054199 A1 EP 1054199A1
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EP
European Patent Office
Prior art keywords
casing
sleeve
end piece
valve according
motorized valve
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Granted
Application number
EP00420100A
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German (de)
French (fr)
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EP1054199B1 (en
Inventor
Jacques Moison
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Fabrication Industrielle Safi SA
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Fabrication Industrielle Safi SA
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Publication of EP1054199A1 publication Critical patent/EP1054199A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/003—Housing formed from a plurality of the same valve elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means

Definitions

  • the present invention relates to fluid circulation circuits various and it targets, more particularly, the constituent bodies of such circuits for ensure the selective supply of user devices.
  • valve body structure such that the aligned bodies define together a common distribution manifold crossing, in relation to each valves whose opening position is then controlled by a drive member of own control.
  • valves are joined by their valve body to the means of clamps or clamps, when a malfunction intervenes on the motorization part of one of them, it is necessary to extract the valve of the coherent whole that it helps to form and, therefore, to interrupt any prior pressurization to allow dislocation of the distribution manifold body for authorizing the extraction of a valve body and replacement with another.
  • valve itself is not to blame and the noted malfunction is to be attributed to the servo part, command and control of its opening and closing functions.
  • the object of the invention is precisely to meet this requirement by offering a new motorized valve whose design, between the valve part proper and the motorization part, is precisely planned to allow a quick, practical disassembly of the servo and motorized control unit in leaving the valve part which is always associated with the parallel valves with which it constitutes the through assembly defining the distribution manifold common.
  • the object of the invention is to make such a safe possible partial disassembly of one of the constituent parts of a motorized valve without a such disassembly may result in the risk of accident as soon as the body of valve remains maintained in pressure by the circulation of the circulation fluid which continues to supply, via the other valves, the other non-operating circuits concerned by the local dysfunction observed.
  • Another object of the invention is to propose adaptations to the valves known, so that the objectives of the invention can be achieved at a price interesting cost.
  • An additional object is to offer a motorized valve on which a intervention, in the event of a malfunction, can be carried out by personnel not specially qualified who is not required to carry out long, delicate and dangerous.
  • Fig. 1 is a diagram showing, to illustrate the technical field of the invention, a particular application in which a circulation fluid contained in a tank or in a tank 1 is withdrawn by means of a pump 2 to ensure the supply n circuits of use 3 , 3 1 , 3 2 , 3 3 for example each leading to a spray boom segment not shown.
  • circuits 3 ... 3 3 use is generally made of a battery 4 of motorized valves 5 which are placed side by side so as to be able to be supplied in common by the output pump 2 .
  • Figs. 2 to 4 show such an arrangement in which it is planned to implement for each valve a through body 6 , provided with extreme flanges which can be linked by collars 7 , so as to form a unitary assembly, in battery, delimiting, through the bodies 6 , a through passage 8 constituting a common distribution manifold supplied, by a connector such as 9 , from the pump 2 .
  • Valves such as 5 each comprise more explicitly according to FIGS. 2 to 4 a valve body 6 which is provided with a base 10 for fixing on a suitable support such as 11 .
  • the valve body 6 delimits a through passage 12 bordered by flanges 13 which can be tightly connected to each other for successive adjacent valves such as 5 and 5 1 by means of collars 7 .
  • the valve body 6 delimits a chapel 14 of intercommunication between the through passage 12 and at least one tube 15 for connection to a use circuit 3 .
  • the configuration adopted for the valve body can involve a so-called two-way or three-way arrangement and in such a case the valve body delimits a second tube 16 which is located in opposition to the first.
  • the second tube is, in this case, closed by a plug 17 , but FIG. 7 shows that it can be replaced by an adapter 18 allowing the fitting of a connector 9 a .
  • the chapel 14 is intended to contain a spherical seat which is constituted by two half-rings 19 which enclose a spherical obturator 20 housed in the chapel, so as to be able to rotate on an axis x-x ' , preferably passing through the axis of the collector 8 by being orthogonal to it.
  • the shutter 20 is designed to be adapted to the functional characteristic of the valve and can therefore be formed to ensure communication, either selective between the passage 12 and the two pipes 15 and 16 , or between one of the latter. and passage 12 .
  • the spherical shutter 20 is intended to be controlled in rotation on the axis x-x ' by a rotational coupling link 21 which is interposed between the valve body 6 and a motor block 25 comprising a casing 26 and a cover 27 housing a gear motor group 28 .
  • the block 25 is removably adapted on the body 6 .
  • the valve body 6 comprises an adapter end piece 30 externally defining a cylindrical surface which is concentric with the axis x-x ' .
  • the casing 26 is provided with a sleeve 31 which can be threaded onto the end piece 30 on which it is placed in axial support so as to leave a clearance 32 of significant height between the body 6 and the casing 26 in consideration of the height body 6 .
  • the valve body 6 comprises two lugs 33 which are formed in close relation with the end piece 30 being located diametrically opposite on either side of the latter
  • the lugs 33 are, moreover, formed so having flat sliding and bearing surfaces 34 which are placed in alignment with a diameter passing through the axis x-x ' .
  • the casing 26 of the block 25 comprises two bosses 35 which are also formed in proximity relationship with the sleeve 31 and which are arranged in parallel being diametrically opposite this sleeve.
  • the bosses 35 are also produced to delimit two bearing and sliding surfaces 36 which are aligned on the same diameter passing through the axis of rotation x-x ' .
  • the block 25 can be assembled on the body 6 by a fitting engagement of the sleeve 31 on the end piece 30 ensuring the coincidence of the faces 34 and 36 which allow the sliding and the support in angular orientation on the axis x-x ' .
  • the assembly is then carried out by means of screws 37 which are engaged, through the lugs 33 and the bosses 35 , in a direction orthogonal to the axis of rotation x-x ' while being accessible in the clearance 32 .
  • This constructive mode has the advantage of making it possible, when necessary, to dismantle the block 25 by intervention on the screws 37 , directly accessible by the clearance 32 , even in the case where, by comparison with FIG. 2 , several valves 5 are arranged side by side to delimit a distribution manifold. In this way, it becomes possible to extract only the block 25 responsible for a malfunction without any forced intervention being necessary to separate the valve bodies side by side linked by the collars 7 .
  • the end piece 30 delimits a bearing 40 concentric with the axis x-x ' and reserved for mounting a pivot 41 contributing to constitute the connection 21 .
  • the bearing 40 opens into the chapel 14 by means of a shoulder 42 and the pivot 41 is produced to have at its base a flange 43 .
  • the pivot 41 is placed in the bearing 40 while being engaged by the interior of the chapel 14 , before the assembly of the shutter 20 , so that it can be brought into abutment by the flange 43 on shoulder 42 .
  • connection in rotation drive on the axis x-x ' is ensured, between the pivot 41 and the shutter 20 via a drive coupling 44 of the screwdriver type .
  • This arrangement illustrated by FIGS. 5 , 6 and 7 , is chosen to contribute to better coaxial centering between the block 25 and the body 6 and, to this end, provision is made to make the casing 26 so that it comprises an assembly sleeve 31 forming a first part 31a threaded on the end piece 30 and a second part 31b which is threaded, by the part of the protruding pivot 41 , out of the end piece.
  • This coaxial mounting arrangement is also used to establish a suitable seal between the cylindrical surfaces present.
  • provision is made to adapt, on the pivot 41 , two seals 52 cooperating with the end piece and a seal 53 cooperating with the part 31b of the sleeve 31 .
  • the sleeve 31 is formed directly by the bottom of the casing 26 which is produced by molding, in a single piece, to delimit the different centering bearings of a reduction gear 60 forming part of the group 28 .
  • the reduction gear is preferably of several stages, for example four, the last of which carries the output shaft 50 .
  • the output shaft 50 constitutes a main through shaft which is also centered in a plate 61 adapted on a support flange 62 presented by the casing 26 .
  • the plate 61 is used to perform two specific functions. The first is that for supporting a motor member 63 , such as an electric motor forming part of group 28 and whose output shaft 64 drives the input pinion of the first stage of the reducer 60 .
  • the second is that of supporting an electronic servo card 65 provided with contactors 66 which are controlled by means of cams 67 fitted on the corresponding end of the output shaft 50 .
  • the casing 26 is also produced so as to have outside the shoulder 26 a groove 70 provided with a sealing ring 71 capable of cooperating with the cover 27 closing the casing to house the electric motor 63 and the card 65 .
  • the block 25 defines two specific compartments, one 73 for protecting the motor and the card and the other 74 for installing the reducer 60 .
  • the adaptation conformation between the body 6 and the casing 26 involves the sleeve 31 , the parts 31a and 31b of which are joined together, so as to delimit or define internally a shoulder 80 constituting a stop d axial engagement cooperating with the rim of the end piece 30 .

Abstract

The motorized valve unit comprises a series of valve units connected in series and supplied with a fluid from a main conduit (12). Each valve unit has a housing within which a motor is located that controls the opening and closing of a valve that suppli perpendicular flow-off conduit.

Description

La présente invention est relative aux circuits de circulation de fluides divers et elle vise, plus particulièrement, les organes constitutifs de tels circuits pour assurer l'alimentation sélective d'appareils d'utilisation.The present invention relates to fluid circulation circuits various and it targets, more particularly, the constituent bodies of such circuits for ensure the selective supply of user devices.

Dans de nombreux domaines, il est nécessaire de pouvoir assurer l'alimentation sélective d'appareils d'utilisation à partir de circuits d'alimentation propres qui sont raccordés sélectivement à un circuit de fourniture de fluide sous pression.In many areas, it is necessary to be able to ensure selective feeding of user devices from supply circuits which are selectively connected to a fluid supply circuit under pressure.

Le caractère spécifique d'une telle alimentation tient à la nécessité de pouvoir ou de devoir intervenir sur la sélectivité d'alimentation des circuits d'utilisation lorsqu'il est opportun, utile, nécessaire ou indispensable de pouvoir, selon les cas, commander positivement l'alimentation de certains par rapport à d'autres.The specific nature of such a diet stems from the need to power or duty to intervene on the supply selectivity of circuits of use when it is appropriate, useful, necessary or essential to be able, according to the cases, order positively the feeding of some compared to others.

Pour résoudre un tel problème, il est généralement fait recours à l'utilisation de vannes motorisées qui sont interposées entre un circuit centralisateur commun et des circuits dérivés menant aux appareils d'alimentation.To resolve such a problem, recourse is generally had to the use of motorized valves which are interposed between a centralizing circuit common and derived circuits leading to power devices.

Tel est le cas, à titre d'exemple non limitatif, de l'alimentation des différentes sections d'une rampe de pulvérisation, notamment dans le domaine agricole.This is the case, by way of nonlimiting example, of the feeding of different sections of a sprayer boom, especially in the field agricultural.

Pour faciliter l'implantation, la construction, la commande, la réparation de tels unités, il est généralement adopté une architecture constructive consistant à grouper sur un même plateau ou autre organe de support les différentes vannes motorisées correspondant aux différents circuits d'utilisation.To facilitate installation, construction, ordering, repair such units it is generally adopted a constructive architecture consisting of group the different valves on the same plate or other support member motorized corresponding to the different circuits of use.

A cette fin, il est habituel de grouper les différentes vannes côte-à-côte, en adoptant une structure de corps de vanne telle que les corps alignés définissent ensemble un collecteur de distribution commun traversant, en relation avec chacune des vannes dont la position d'ouverture est alors commandée par un organe moteur d' asservissement propre.To this end, it is usual to group the different valves side by side, in adopting a valve body structure such that the aligned bodies define together a common distribution manifold crossing, in relation to each valves whose opening position is then controlled by a drive member of own control.

Ce type de construction donne satisfaction, mais les mises en service qui ont été réalisées ont permis de prendre connaissance d'un problème inhérent au mode de construction et qui pose des difficultés lorsqu'un dysfonctionnement intervient dans la batterie de vannes côte-à-côte.This type of construction is satisfactory, but the commissioning which were carried out made it possible to become aware of a problem inherent in the mode and which poses difficulties when a malfunction occurs in the side-by-side valve bank.

En effet, comme ces vannes sont accolées par leur corps de vanne au moyen de brides ou de colliers de bridage, dès lors qu'un dysfonctionnement intervient sur la partie de motorisation de l'une d'elles, il est nécessaire d'extraire la vanne de l'ensemble cohérent qu'elle contribue à former et, par conséquent, d'interrompre toute mise en pression préalable pour permettre une dislocation du corps collecteur de distribution en vue d'autoriser l'extraction d'un corps de vanne et le remplacement par une autre.Indeed, as these valves are joined by their valve body to the means of clamps or clamps, when a malfunction intervenes on the motorization part of one of them, it is necessary to extract the valve of the coherent whole that it helps to form and, therefore, to interrupt any prior pressurization to allow dislocation of the distribution manifold body for authorizing the extraction of a valve body and replacement with another.

Or, en règle générale, la vanne proprement dit n'est pas à incriminer et le dysfonctionnement constaté est à mettre au compte de la partie d'asservissement, de commande et de pilotage de ses fonctions ouverture et fermeture.However, as a general rule, the valve itself is not to blame and the noted malfunction is to be attributed to the servo part, command and control of its opening and closing functions.

L'objet de l'invention est justement de répondre à cette exigence en proposant une nouvelle vanne motorisée dont la conception, entre la partie vanne proprement dite et la partie de motorisation, est justement prévue pour permettre un démontage rapide, pratique du bloc d'asservissement et de commande motorisé en laissant subsister la partie vanne qui est toujours associée aux vannes parallèles avec lesquelles elle constitue l'ensemble traversant définissant le collecteur de distribution commun.The object of the invention is precisely to meet this requirement by offering a new motorized valve whose design, between the valve part proper and the motorization part, is precisely planned to allow a quick, practical disassembly of the servo and motorized control unit in leaving the valve part which is always associated with the parallel valves with which it constitutes the through assembly defining the distribution manifold common.

L'objet de l'invention est de rendre possible en toute sécurité un tel démontage partiel de l'une des parties constitutives d'une vanne motorisée sans qu'un tel démontage puisse se traduire par des risques d'accident dès lors que le corps de vanne reste maintenu en pression par la circulation du fluide de circulation qui continue d'alimenter, par les autres vannes, les autres circuits d'utilisation non concernés par le dysfonctionnement local constaté.The object of the invention is to make such a safe possible partial disassembly of one of the constituent parts of a motorized valve without a such disassembly may result in the risk of accident as soon as the body of valve remains maintained in pressure by the circulation of the circulation fluid which continues to supply, via the other valves, the other non-operating circuits concerned by the local dysfunction observed.

Un autre objet de l'invention est de proposer des adaptations aux vannes connues, de telle sorte que les objectifs de l'invention puissent être atteints à un prix de revient intéressant.Another object of the invention is to propose adaptations to the valves known, so that the objectives of the invention can be achieved at a price interesting cost.

Un objet supplémentaire est d'offrir une vanne motorisée sur laquelle une intervention, en cas de dysfonctionnement, peut être menée par un personnel non spécialement qualifié qui n'est pas astreint à des opérations longues, délicates et dangereuses. An additional object is to offer a motorized valve on which a intervention, in the event of a malfunction, can be carried out by personnel not specially qualified who is not required to carry out long, delicate and dangerous.

Pour atteindre les objectifs ci-dessus, la vanne motorisée conforme à l'invention est du type comprenant :

  • un corps de vanne associé à d'autres parallèles pour définir ensemble un collecteur de distribution commun traversant,
  • un obturateur tournant sur un axe de rotation, disposé dans le corps et contrôlant la communication entre le collecteur et au moins une tubulure de sortie du corps raccordée à un circuit d'utilisation,
  • un groupe motoréducteur logé dans un carter adapté, de façon amovible, sur le corps et comportant un arbre de sortie solidaire en rotation de l'obturateur,
  • une telle vanne étant caractérisée en ce que :
    • le corps de vanne comporte un embout cylindrique d'adaptation, concentrique à l'axe de rotation de l'obturateur,
    • le carter comporte un manchon d'assemblage enfilé en butée sur l'embout, de manière à laisser subsister un dégagement entre le corps et le carter dans leur position adaptée,
    • le corps de vanne comporte, en relation de proximité avec l'embout, deux pattes parallèles à l'axe de rotation,
    • le carter forme deux bossages en relation de proximité avec le manchon,
    • et l'assemblage amovible, entre le corps et le carter, est assuré par des vis de fixation engagées entre les pattes et les bossages, selon une direction orthogonale à l'axe de rotation en étant accessibles par le dégagement.
To achieve the above objectives, the motorized valve according to the invention is of the type comprising:
  • a valve body associated with other parallels to define together a common crossing distribution manifold,
  • a shutter rotating on an axis of rotation, disposed in the body and controlling the communication between the collector and at least one outlet pipe of the body connected to a use circuit,
  • a gearmotor group housed in an adapted casing, removably, on the body and comprising an output shaft integral in rotation with the shutter,
  • such a valve being characterized in that:
    • the valve body includes a cylindrical adapter piece, concentric with the axis of rotation of the shutter,
    • the casing comprises an assembly sleeve threaded into abutment on the end piece, so as to leave a clearance between the body and the casing in their suitable position,
    • the valve body comprises, in proximity relationship with the nozzle, two lugs parallel to the axis of rotation,
    • the casing forms two bosses in close relation with the sleeve,
    • and the removable assembly, between the body and the casing, is ensured by fixing screws engaged between the legs and the bosses, in a direction orthogonal to the axis of rotation being accessible by the release.

Diverses autres caractéristiques ressortent de la description faite ci-dessous en référence aux dessins annexés qui montrent, à titre d'exemples non limitatifs, des formes de réalisation de l'objet de l'invention.

  • La fig. 1 est une vue schématique illustrant l'application selon l'invention.
  • La fig. 2 est une élévation schématique, vue suivant la ligne II-II de la fig. 1 et montrant une batterie de vannes motorisées constituant, par leur association, un ensemble de distribution sélective.
  • La fig. 3 est une élévation transversale prise, à plus grande échelle, selon la ligne III-III de la fig. 2.
  • La fig. 4 est une vue transversale prise selon la ligne IV-IV de la fig. 3.
  • La fig. 5 est une coupe-élévation prise, à plus grande échelle, selon la ligne V-V de la fig. 4.
  • La fig. 6 est une coupe-élévation latérale prise selon la ligne VI-VI de la fig. 5.
  • La fig. 7 est une coupe partielle montrant une variante d'adaptation.
    • Various other characteristics will emerge from the description given below with reference to the appended drawings which show, by way of nonlimiting examples, embodiments of the subject of the invention.
  • Fig. 1 is a schematic view illustrating the application according to the invention.
  • Fig. 2 is a schematic elevation, seen along line II-II of FIG. 1 and showing a battery of motorized valves constituting, by their association, a set of selective distribution.
  • Fig. 3 is a transverse elevation taken, on a larger scale, along the line III-III of FIG. 2 .
  • Fig. 4 is a transverse view taken along line IV-IV of FIG. 3 .
  • Fig. 5 is a sectional elevation taken, on a larger scale, along the line VV of FIG. 4 .
  • Fig. 6 is a sectional side elevation taken along line VI-VI of FIG. 5 .
  • Fig. 7 is a partial section showing an adaptation variant.

    • La fig. 1 est un schéma montrant, pour illustrer le domaine technique de l'invention, une application particulière dans laquelle un fluide de circulation contenu dans une bâche ou dans un réservoir 1 est prélevé par l'intermédiaire d'une pompe 2 pour assurer l'alimentation de n circuits d'utilisation 3, 31, 32, 33 menant par exemple chacun à un segment de rampe de pulvérisation non représentée. Fig. 1 is a diagram showing, to illustrate the technical field of the invention, a particular application in which a circulation fluid contained in a tank or in a tank 1 is withdrawn by means of a pump 2 to ensure the supply n circuits of use 3 , 3 1 , 3 2 , 3 3 for example each leading to a spray boom segment not shown.

    Pour assurer l'alimentation sélective des circuits 3 ... 33 , il est généralement fait recours à une batterie 4 de vannes motorisées 5 qui sont accolées l'une à l'autre de manière à pouvoir être alimentées de façon commune par la sortie de la pompe 2.To ensure the selective supply of circuits 3 ... 3 3 , use is generally made of a battery 4 of motorized valves 5 which are placed side by side so as to be able to be supplied in common by the output pump 2 .

    Les fig. 2 à 4 mettent en évidence un tel montage dans lequel il est prévu de mettre en oeuvre pour chaque vanne un corps 6 traversant, pourvu de brides extrêmes qui peuvent être liées par des colliers 7, de manière à former un ensemble unitaire, en batterie, délimitant, par les corps 6, un passage traversant 8 constituant un collecteur de distribution commun alimenté, par un raccord tel que 9, à partir de la pompe 2. Figs. 2 to 4 show such an arrangement in which it is planned to implement for each valve a through body 6 , provided with extreme flanges which can be linked by collars 7 , so as to form a unitary assembly, in battery, delimiting, through the bodies 6 , a through passage 8 constituting a common distribution manifold supplied, by a connector such as 9 , from the pump 2 .

    Des vannes telles que 5 comprennent chacune de façon plus explicite selon les fig. 2 à 4 un corps de vanne 6 qui est pourvu d'une embase 10 de fixation sur un support approprié tel que 11.Valves such as 5 each comprise more explicitly according to FIGS. 2 to 4 a valve body 6 which is provided with a base 10 for fixing on a suitable support such as 11 .

    Le corps de vanne 6 délimite un passage traversant 12 bordé de brides 13 qui peuvent être liées de façon étanche l'une à l'autre pour des vannes successives accolées telles que 5 et 51 par l'intermédiaire des colliers 7. Le corps de vanne 6 délimite une chapelle 14 d'intercommunication entre le passage traversant 12 et au moins une tubulure 15 de raccordement à un circuit d'utilisation 3. La conformation retenue pour le corps de vanne peut faire intervenir une disposition dite à deux voies ou à trois voies et dans un tel cas le corps de vanne délimite une seconde tubulure 16 qui est située en opposition de la première.The valve body 6 delimits a through passage 12 bordered by flanges 13 which can be tightly connected to each other for successive adjacent valves such as 5 and 5 1 by means of collars 7 . The valve body 6 delimits a chapel 14 of intercommunication between the through passage 12 and at least one tube 15 for connection to a use circuit 3 . The configuration adopted for the valve body can involve a so-called two-way or three-way arrangement and in such a case the valve body delimits a second tube 16 which is located in opposition to the first.

    Selon la fig. 5, la seconde tubulure est, dans le cas présent, obturée par un bouchon 17, mais la fig. 7 montre que celui-ci peut être remplacé par un adaptateur 18 permettant la mise en place d'un raccord 9a .According to fig. 5 , the second tube is, in this case, closed by a plug 17 , but FIG. 7 shows that it can be replaced by an adapter 18 allowing the fitting of a connector 9 a .

    La chapelle 14 est destinée à contenir un siège sphérique qui est constitué par deux demi-bagues 19 qui enserrent un obturateur sphérique 20 logé dans la chapelle, de manière à pouvoir tourner sur un axe x-x', de préférence passant par l'axe du collecteur 8 en lui étant orthogonal. L'obturateur 20 est constitué pour être adapté à la caractéristique fonctionnelle de la vanne et peut donc être formé pour assurer une mise en communication, soit sélective entre le passage 12 et les deux tubulures 15 et 16, soit entre l'une de ces dernières et le passage 12.The chapel 14 is intended to contain a spherical seat which is constituted by two half-rings 19 which enclose a spherical obturator 20 housed in the chapel, so as to be able to rotate on an axis x-x ' , preferably passing through the axis of the collector 8 by being orthogonal to it. The shutter 20 is designed to be adapted to the functional characteristic of the valve and can therefore be formed to ensure communication, either selective between the passage 12 and the two pipes 15 and 16 , or between one of the latter. and passage 12 .

    L'obturateur sphérique 20 est destiné à être commandé en rotation sur l'axe x-x' par une liaison d'accouplement en rotation 21 qui est interposée entre le corps de vanne 6 et un bloc de motorisation 25 comprenant un carter 26 et un capot 27 abritant un groupe moto-réducteur 28. Selon la technique connue, le bloc 25 est adapté de façon amovible sur le corps 6.The spherical shutter 20 is intended to be controlled in rotation on the axis x-x ' by a rotational coupling link 21 which is interposed between the valve body 6 and a motor block 25 comprising a casing 26 and a cover 27 housing a gear motor group 28 . According to the known technique, the block 25 is removably adapted on the body 6 .

    Selon l'invention, pour répondre positivement au problème posé compte tenu de la caractéristique architecturale de l'ensemble de vanne 4, il est prévu de mettre en oeuvre les moyens techniques suivants.According to the invention, in order to respond positively to the problem posed taking into account the architectural characteristic of the valve assembly 4 , it is planned to use the following technical means.

    Tout d'abord, le corps de vanne 6 comporte un embout d'adaptation 30 définissant extérieurement une portée cylindrique qui est concentrique à l'axe x-x'. Ensuite, le carter 26 est pourvu d'un manchon 31 enfilable sur l'embout 30 sur lequel il est placé en appui axial de manière à laisser subsister entre le corps 6 et le carter 26 un dégagement 32 de hauteur significative en considération de la hauteur du corps 6.First of all, the valve body 6 comprises an adapter end piece 30 externally defining a cylindrical surface which is concentric with the axis x-x ' . Then, the casing 26 is provided with a sleeve 31 which can be threaded onto the end piece 30 on which it is placed in axial support so as to leave a clearance 32 of significant height between the body 6 and the casing 26 in consideration of the height body 6 .

    Selon une autre caractéristique, illustrée par les fig. 3 et 4, le corps de vanne 6 comporte deux pattes 33 qui sont formées en relation de proximité avec l'embout 30 en étant situées diamétralement opposées de part et d'autre de ce dernier Les pattes 33 sont, en outre, formées de manière à disposer de surfaces planes de glissement et d'appui 34 qui sont placées en alignement sur un diamètre passant par l'axe x-x'.According to another characteristic, illustrated by FIGS. 3 and 4 , the valve body 6 comprises two lugs 33 which are formed in close relation with the end piece 30 being located diametrically opposite on either side of the latter The lugs 33 are, moreover, formed so having flat sliding and bearing surfaces 34 which are placed in alignment with a diameter passing through the axis x-x ' .

    Parallèlement, le carter 26 du bloc 25 comporte deux bossages 35 qui sont aussi formés en relation de proximité avec le manchon 31 et qui sont disposés parallèlement en étant diamétralement opposés à ce manchon. Les bossages 35 sont aussi réalisés pour délimiter deux surfaces d'appui et de glissement 36 qui sont alignées sur un même diamètre passant par l'axe de rotation x-x'.In parallel, the casing 26 of the block 25 comprises two bosses 35 which are also formed in proximity relationship with the sleeve 31 and which are arranged in parallel being diametrically opposite this sleeve. The bosses 35 are also produced to delimit two bearing and sliding surfaces 36 which are aligned on the same diameter passing through the axis of rotation x-x ' .

    Comme cela ressort de ce qui précède et des dessins, le bloc 25 peut être assemblé sur le corps 6 par un engagement d'emboítement du manchon 31 sur l'embout 30 en assurant la mise en coïncidence des faces 34 et 36 qui permettent le glissement et l'appui en orientation angulaire sur l'axe x-x'. L'assemblage est ensuite réalisé par l'intermédiaire de vis 37 qui sont engagées, à travers les pattes 33 et les bossages 35, selon une direction orthogonale à l'axe de rotation x-x' en étant accessibles dans le dégagement 32.As is apparent from the above and from the drawings, the block 25 can be assembled on the body 6 by a fitting engagement of the sleeve 31 on the end piece 30 ensuring the coincidence of the faces 34 and 36 which allow the sliding and the support in angular orientation on the axis x-x ' . The assembly is then carried out by means of screws 37 which are engaged, through the lugs 33 and the bosses 35 , in a direction orthogonal to the axis of rotation x-x ' while being accessible in the clearance 32 .

    Ce mode constructif présente l'avantage de permettre de procéder, lorsque cela est nécessaire, au démontage du bloc 25 par intervention sur les vis 37, directement accessibles par le dégagement 32, même dans le cas où, par comparaison avec la fig. 2, plusieurs vannes 5 sont disposées côte-à-côte pour délimiter un collecteur de distribution. De cette manière, il devient possible d'extraire uniquement le bloc 25 responsable d'un dysfonctionnement sans qu'une intervention obligée soit à conduire pour désolidariser les corps de vanne côte-à-côte liés par les colliers 7.This constructive mode has the advantage of making it possible, when necessary, to dismantle the block 25 by intervention on the screws 37 , directly accessible by the clearance 32 , even in the case where, by comparison with FIG. 2 , several valves 5 are arranged side by side to delimit a distribution manifold. In this way, it becomes possible to extract only the block 25 responsible for a malfunction without any forced intervention being necessary to separate the valve bodies side by side linked by the collars 7 .

    Si une telle possibilité est offerte dans l'objectif de l'invention, encore faut-il prendre en compte qu'une intervention, comme dit ci-dessus, est généralement conduite lorsqu'un dysfonctionnement du bloc 25 est constaté et qu'un tel dysfonctionnement intervient, majoritairement, en phase d'utilisation, c'est-à-dire lorsque le ou les circuits, et en particulier la vanne concernée sont traversées par le fluide de circulation sous pression.If such a possibility is offered for the purpose of the invention, it must also be taken into account that an intervention, as said above, is generally carried out when a malfunction of the block 25 is observed and that such malfunction occurs, mainly, in the use phase, that is to say when the circuit (s), and in particular the valve concerned, are crossed by the pressurized circulation fluid.

    On comprend que l'extraction du bloc de commande et d'asservissement 25 ne doit pas être alors, dans un tel cas, une source d'accident en raison de la pression régnant à l'intérieur du corps de vanne 6. It is understood that the extraction of the control and servo unit 25 should not then be, in such a case, a source of accident due to the pressure prevailing inside the valve body 6 .

    Pour résoudre ce problème, il est préconisé selon l'invention de réaliser l'embout 30 de manière qu'il délimite un palier 40 concentrique à l'axe x-x' et réservé au montage d'un pivot 41 contribuant à constituer la liaison 21. Le palier 40 débouche dans la chapelle 14 par l'intermédiaire d'un épaulement 42 et le pivot 41 est réalisé pour comporter a sa base une collerette 43.To solve this problem, it is recommended according to the invention to produce the end piece 30 so that it delimits a bearing 40 concentric with the axis x-x ' and reserved for mounting a pivot 41 contributing to constitute the connection 21 . The bearing 40 opens into the chapel 14 by means of a shoulder 42 and the pivot 41 is produced to have at its base a flange 43 .

    Ainsi, le pivot 41 est mis en place dans le palier 40 en étant engagé par l'intérieur de la chapelle 14, avant le montage de l'obturateur 20, de telle sorte qu'il puisse être amené en appui par la collerette 43 sur l'épaulement 42.Thus, the pivot 41 is placed in the bearing 40 while being engaged by the interior of the chapel 14 , before the assembly of the shutter 20 , so that it can be brought into abutment by the flange 43 on shoulder 42 .

    En conséquence, même dans le cas de démontage du bloc 25, dans un état de mise en pression du corps 6, le fluide sous pression ne peut provoquer l'éjection du pivot 41 hors du palier 40 en raison de la coopération entre la collerette 43 et l'épaulement 42.Consequently, even in the case of disassembly of the block 25 , in a state of pressurization of the body 6 , the pressurized fluid cannot cause the pivot 41 to be ejected from the bearing 40 due to the cooperation between the flange 43 and shoulder 42 .

    A titre d'exemple, il est montré que la solidarisation en entraínement en rotation sur l'axe x-x' est assurée, entre le pivot 41 et l'obturateur 20 par l'intermédiaire d'un accouplement d'entraínement 44 du type à tournevis.For example, it is shown that the connection in rotation drive on the axis x-x ' is ensured, between the pivot 41 and the shutter 20 via a drive coupling 44 of the screwdriver type .

    Selon une autre disposition de l'invention, il est prévu de conférer au pivot 41 une longueur axiale supérieure à celle de l'embout 30. Cette disposition, illustrée par les fig. 5, 6 et 7, est choisie pour contribuer à un meilleur centrage coaxial entre le bloc 25 et le corps 6 et, à cette fin, il est prévu de réaliser le carter 26 de manière qu'il comporte un manchon d'assemblage 31 formant une première partie 31a enfilée sur l'embout 30 et une seconde partie 31b qui est enfilée, par la partie du pivot 41 saillant, hors de l'embout.According to another arrangement of the invention, provision is made to give the pivot 41 an axial length greater than that of the end piece 30 . This arrangement, illustrated by FIGS. 5 , 6 and 7 , is chosen to contribute to better coaxial centering between the block 25 and the body 6 and, to this end, provision is made to make the casing 26 so that it comprises an assembly sleeve 31 forming a first part 31a threaded on the end piece 30 and a second part 31b which is threaded, by the part of the protruding pivot 41 , out of the end piece.

    Par l'intermédiaire d'un double manchonnage concentrique, une liaison coaxiale précise intervient, entre le corps 6 et le carter 26, de telle sorte qu'il est possible de compléter la liaison 21, par un arbre de sortie 50 engagé à glissement doux à l'intérieur du pivot 41 duquel il est solidaire en rotation, par exemple par l'intermédiaire d'un méplat 51.By means of a concentric double sleeving, a precise coaxial connection occurs, between the body 6 and the casing 26 , so that it is possible to complete the connection 21 , by an output shaft 50 engaged with smooth sliding. inside the pivot 41 of which it is integral in rotation, for example by means of a flat 51 .

    Cette disposition de montage coaxiale est aussi mise à profit pour établir une étanchéité convenable entre les surfaces cylindriques en présence. Ainsi, il est prévu d'adapter, sur le pivot 41, deux garnitures d'étanchéité 52 coopérant avec l'embout et une garniture d'étanchéité 53 coopérant avec la partie 31b du manchon 31.This coaxial mounting arrangement is also used to establish a suitable seal between the cylindrical surfaces present. Thus, provision is made to adapt, on the pivot 41 , two seals 52 cooperating with the end piece and a seal 53 cooperating with the part 31b of the sleeve 31 .

    Il peut être avantageux de ménager, entre la partie 31a et l'embout 30, des rainures, définissant une sorte d'araignée, qui permettent de conduire, extérieurement à l'assemblage à double manchon tel que décrit ci-dessus, les fuites de fluides qui peuvent provenir, soit du corps de vanne 6, soit du carter 26.It may be advantageous to arrange, between the part 31a and the end piece 30 , grooves, defining a kind of spider, which make it possible to lead, externally to the double-sleeve assembly as described above, the leaks of fluids which can come either from the valve body 6 or from the casing 26 .

    Etant donné que ces rainures débouchent extérieurement, il devient facile d'identifier quelle est la partie ou la garniture d'étanchéité qui est responsable de la fuite visuellement appréciable.Since these grooves open outwards, it becomes easy identify which part or packing is responsible for the visually appreciable leak.

    Selon une autre disposition de l'invention, le manchon 31 est formé directement par le fond du carter 26 qui est réalisé par moulage, de façon monobloc, pour délimiter les différents paliers de centrage d'un réducteur 60 faisant partie du groupe 28. Le réducteur est, de préférence, à plusieurs étages, par exemple quatre, dont le dernier est porteur de l'arbre de sortie 50. De façon préférée, l'arbre de sortie 50 constitue un arbre traversant principal qui est également centré dans une platine 61 adaptée sur un rebord d'appui 62 présenté par le carter 26. La platine 61 est mise à profit pour assurer deux fonctions spécifiques. La première est celle de support d'un organe moteur 63, tel qu'un moteur électrique faisant partie du groupe 28 et dont l'arbre de sortie 64 attaque le pignon d'entrée du premier étage du réducteur 60. La seconde est celle de support d'une carte d'asservissement électronique 65 pourvue de contacteurs 66 qui sont commandés par l'intermédiaire de cames 67 adaptées sur l'extrémité correspondante de l'arbre de sortie 50.According to another arrangement of the invention, the sleeve 31 is formed directly by the bottom of the casing 26 which is produced by molding, in a single piece, to delimit the different centering bearings of a reduction gear 60 forming part of the group 28 . The reduction gear is preferably of several stages, for example four, the last of which carries the output shaft 50 . Preferably, the output shaft 50 constitutes a main through shaft which is also centered in a plate 61 adapted on a support flange 62 presented by the casing 26 . The plate 61 is used to perform two specific functions. The first is that for supporting a motor member 63 , such as an electric motor forming part of group 28 and whose output shaft 64 drives the input pinion of the first stage of the reducer 60 . The second is that of supporting an electronic servo card 65 provided with contactors 66 which are controlled by means of cams 67 fitted on the corresponding end of the output shaft 50 .

    Le carter 26 est aussi réalisé pour comporter à l'extérieur de l'épaulement 26 une gorge 70 garnie d'un jonc d'étanchéité 71 à même de coopérer avec le capot 27 fermant le carter pour abriter le moteur électrique 63 et la carte 65. De cette manière, le bloc 25 définit deux compartiments spécifiques, l'un 73 de protection du moteur et de la carte et l'autre 74 de mise en place du réducteur 60.The casing 26 is also produced so as to have outside the shoulder 26 a groove 70 provided with a sealing ring 71 capable of cooperating with the cover 27 closing the casing to house the electric motor 63 and the card 65 . In this way, the block 25 defines two specific compartments, one 73 for protecting the motor and the card and the other 74 for installing the reducer 60 .

    Il doit être noté également que la conformation d'adaptation entre le corps 6 et le carter 26 fait intervenir le manchon 31, dont les parties 31a et 31b sont réunies entre elles, de manière à délimiter ou définir intérieurement un épaulement 80 constituant une butée d'engagement axial coopérant avec le rebord de l'embout 30.It should also be noted that the adaptation conformation between the body 6 and the casing 26 involves the sleeve 31 , the parts 31a and 31b of which are joined together, so as to delimit or define internally a shoulder 80 constituting a stop d axial engagement cooperating with the rim of the end piece 30 .

    Claims (11)

    Vanne motorisée pour la constitution d'un ensemble (4) de distribution sélective d'un fluide de circulation à destination de plusieurs circuits d'utilisation (3), vanne du type comprenant : un corps de vanne (6) associé à d'autres parallèles pour définir ensemble un collecteur de distribution commun traversant (8), un obturateur (20) tournant sur un axe de rotation (x-x'), disposé dans le corps et contrôlant la communication entre le collecteur et au moins une tubulure de sortie (15) du corps raccordée à un circuit d'utilisation, un groupe motoréducteur (28) logé dans un carter (26) adapté, de façon amovible, sur le corps et comportant un arbre de sortie (50) solidaire en rotation de l'obturateur,
       caractérisé en ce que : le corps de vanne comporte un embout cylindrique (30) d'adaptation, concentrique à l'axe de rotation de l'obturateur, le carter comporte un manchon d'assemblage (31) enfilé en butée sur l'embout, de manière à laisser subsister un dégagement (32) entre le corps et le carter dans leur position adaptée, le corps de vanne comporte, en relation de proximité avec l'embout, deux pattes (33) parallèles à l'axe de rotation, le carter forme deux bossages (35) en relation de proximité avec le manchon, et l'assemblage amovible, entre le corps et le carter, est assuré par des vis de fixation engagées entre les pattes et les bossages, selon une direction orthogonale à l'axe de rotation en étant accessibles par le dégagement.     Motorized valve for constituting an assembly ( 4 ) for the selective distribution of a circulation fluid intended for several use circuits ( 3 ), valve of the type comprising: a valve body ( 6 ) associated with other parallels to define together a common through distribution manifold ( 8 ), a shutter ( 20 ) rotating on an axis of rotation ( x-x ' ), disposed in the body and controlling the communication between the manifold and at least one outlet pipe ( 15 ) of the body connected to a use circuit, a gearmotor group ( 28 ) housed in a casing ( 26 ) adapted, removably, on the body and comprising an output shaft ( 50 ) integral in rotation with the shutter,
    characterized in that: the valve body has a cylindrical adapter ( 30 ) which is concentric with the axis of rotation of the shutter, the casing comprises an assembly sleeve ( 31 ) threaded into abutment on the end piece, so as to leave a clearance ( 32 ) between the body and the casing in their suitable position, the valve body comprises, in proximity relationship with the nozzle, two lugs ( 33 ) parallel to the axis of rotation, the casing forms two bosses ( 35 ) in proximity relationship with the sleeve, and the removable assembly, between the body and the casing, is ensured by fixing screws engaged between the legs and the bosses, in a direction orthogonal to the axis of rotation being accessible by the release.     Vanne motorisée selon la revendication 1, caractérisée en ce que les pattes et les bossages sont disposés de part et d'autre de l'embout et du manchon en étant diamétralement opposés et délimitent, pour leur coopération, des faces (34 et 36) d'appui et de glissement qui sont situées sur un même diamètre passant par l'axe de rotation. Motorized valve according to claim 1, characterized in that the tabs and the bosses are arranged on either side of the end piece and of the sleeve being diametrically opposite and delimit, for their cooperation, faces ( 34 and 36 ) d 'support and sliding which are located on the same diameter passing through the axis of rotation. Vanne motorisée selon la revendication 1, caractérisé en ce que le corps de vanne contient, pour la manoeuvre de l'obturateur par l'arbre de sortie du groupe motoréducteur, un pivot d'accouplement (41) immobilisé axialement dans l'embout.Motorized valve according to claim 1, characterized in that the valve body contains, for the operation of the shutter by the output shaft of the gearmotor group, a coupling pivot ( 41 ) immobilized axially in the nozzle. Vanne motorisée selon la revendication 1 ou 3, caractérisée en ce que : le corps de vanne comporte un embout (41) définissant, d'une part, une portée cylindrique extérieure de coopération concentrique avec le manchon et, d'autre part, un palier cylindrique concentrique s'ouvrant dans la chapelle (14) par un épaulement (42), le palier contient un pivot cylindrique d'accouplement entre l'arbre de sortie du groupe motoréducteur et l'obturateur, un tel pivot étant engagé dans le palier par l'intérieur de la chapelle, en butée axiale contre l'épaulement par une collerette (43) qu'il forme. Motorized valve according to claim 1 or 3, characterized in that: the valve body comprises an end piece ( 41 ) defining, on the one hand, an external cylindrical bearing surface of concentric cooperation with the sleeve and, on the other hand, a concentric cylindrical bearing opening in the chapel ( 14 ) by a shoulder ( 42 ), the bearing contains a cylindrical coupling pivot between the output shaft of the gearmotor group and the shutter, such a pivot being engaged in the bearing from the inside of the chapel, in axial abutment against the shoulder by a flange ( 43 ) that it forms. Vanne motorisée selon la revendication 4, caractérisée en ce que le pivot présente une longueur axiale supérieure à celle du palier de l'embout et en ce que le manchon (31) délimite deux parties d'assemblage coaxiales (31a et 31b) raccordées intérieurement par un épaulement de butée axiale (80) coopérant avec l'embout, l'une des parties étant enfilée sur ledit embout alors que la seconde est enfilée sur le pivot.Motorized valve according to claim 4, characterized in that the pivot has an axial length greater than that of the bearing of the end piece and in that the sleeve ( 31 ) delimits two coaxial assembly parts ( 31a and 31b ) connected internally by an axial abutment shoulder ( 80 ) cooperating with the end piece, one of the parts being threaded on said end piece while the second is threaded on the pivot. Vanne motorisée selon la revendication 5, caractérisée en ce que le pivot porte des garnitures d'étanchéité (52, 53), respectivement avec le palier de l'embout et avec la partie du manchon lui correspondant.Motorized valve according to claim 5, characterized in that the pivot carries seals ( 52 , 53 ), respectively with the bearing of the end piece and with the part of the sleeve corresponding thereto. Vanne motorisée selon la revendication 6, caractérisé en ce que le pivot est emboíté dans la seconde partie du manchon dont la première partie, entourant la portée de l'embout est pourvue de rainures assurant un circuit de fuite.Motorized valve according to claim 6, characterized in that the pivot is fitted in the second part of the sleeve, the first part of which, surrounding the seat of the nozzle is provided with grooves ensuring a leak circuit. Vanne motorisée selon l'une des revendication 1 à 7, caractérisée en ce qu'elle comprend un embout cylindrique emboíté dans un manchon formé par un carter monobloc (26) obtenu par montage et abritant le réducteur (60) du groupe (28).Motorized valve according to one of claims 1 to 7, characterized in that it comprises a cylindrical end piece fitted in a sleeve formed by a one-piece casing ( 26 ) obtained by mounting and housing the reduction gear ( 60 ) of the group ( 28 ). Vanne motorisée selon la revendication 8, caractérisé en ce que le carter monobloc (26) offre des paliers de centrage des axes du réducteur et forme en retrait de son bord supérieur un épaulement d'appui (62) pour une platine (61) contribuant au centrage desdits axes.Motorized valve according to claim 8, characterized in that the monobloc casing ( 26 ) offers centering bearings of the axes of the reducer and forms, set back from its upper edge, a support shoulder ( 62 ) for a plate ( 61 ) contributing to the centering of said axes. Vanne motorisée selon la revendication 9, caractérisée en ce que la platine (61) délimite, avec le carter, un compartiment (74) abritant le réducteur et en ce qu'elle assure le support, d'une part, du moteur (63) d'entraínement du réducteur et, d'autre part, d'une carte électronique (65) d'asservissement pilotée par l'intermédiaire de cames (67) équipant l'arbre de sortie du réducteur.Motorized valve according to claim 9, characterized in that the plate ( 61 ) delimits, with the casing, a compartment ( 74 ) housing the reduction gear and in that it provides support, on the one hand, for the motor ( 63 ) drive the reducer and, on the other hand, an electronic card ( 65 ) controlled by cams ( 67 ) fitted to the output shaft of the reducer. Vanne motorisée selon la revendication 10, caractérisée en ce que la platine est disposée en appui et en retrait de la gorge présentée par le carter, contenant un cordon d'étanchéité (70) et sur laquelle prend appui un capot (27) fermant le carter protégeant le moteur et assurant le centrage de la carte.Motorized valve according to claim 10, characterized in that the plate is arranged in abutment and set back from the groove presented by the casing, containing a sealing bead ( 70 ) and on which is supported a cover ( 27 ) closing the casing protecting the motor and ensuring the centering of the card.
    EP00420100A 1999-05-21 2000-05-19 Motorised valve for a selective distribution assembly for circulating fluid Expired - Lifetime EP1054199B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9906675A FR2793868B1 (en) 1999-05-21 1999-05-21 VALVE DRIVEN BY THE CONSTITUTION OF A SELECTIVE DISTRIBUTION ASSEMBLY OF A CIRCULATION FLUID
    FR9906675 1999-05-21

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    Publication Number Publication Date
    EP1054199A1 true EP1054199A1 (en) 2000-11-22
    EP1054199B1 EP1054199B1 (en) 2004-05-06

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    EP (1) EP1054199B1 (en)
    AT (1) ATE266169T1 (en)
    DE (1) DE60010366T2 (en)
    ES (1) ES2220371T3 (en)
    FR (1) FR2793868B1 (en)

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    WO2005080843A1 (en) * 2004-02-13 2005-09-01 Rheodyne, Llc Valve drive
    EP2354609A3 (en) * 2008-07-18 2011-11-02 Flowserve Management Company Variable speed actuator
    US10094485B2 (en) 2008-07-18 2018-10-09 Flowserve Management Company Variable-speed actuator

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    CN104329502A (en) * 2014-10-28 2015-02-04 陆锁根 Non-pollution ceramic rotary blanking valve
    EP4023916A1 (en) 2021-01-04 2022-07-06 Goodrich Corporation Ball valve assembly

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    GB2239077A (en) * 1989-12-15 1991-06-19 Orkli S Coop Ltda Motorised valve
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    FR1372187A (en) * 1963-10-09 1964-09-11 Ramcon Corp Gate valve control device
    US3680831A (en) * 1969-06-07 1972-08-01 Katsuji Fujiwara Electrically driven valve apparatus
    US4398562A (en) * 1981-07-06 1983-08-16 Richdel, Inc. Motorized diverter valve
    EP0373090A1 (en) * 1988-12-09 1990-06-13 Alsthom Fluides Sapag Cock equipped with a support seat for an operating device
    GB2239077A (en) * 1989-12-15 1991-06-19 Orkli S Coop Ltda Motorised valve
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    WO2005080843A1 (en) * 2004-02-13 2005-09-01 Rheodyne, Llc Valve drive
    US7201185B2 (en) 2004-02-13 2007-04-10 Rheodyne Llc Coupled drive multi-position fluid valve apparatus and method
    EP2354609A3 (en) * 2008-07-18 2011-11-02 Flowserve Management Company Variable speed actuator
    US9188237B2 (en) 2008-07-18 2015-11-17 Flowserve Management Company Variable-speed actuator
    US10094485B2 (en) 2008-07-18 2018-10-09 Flowserve Management Company Variable-speed actuator

    Also Published As

    Publication number Publication date
    ES2220371T3 (en) 2004-12-16
    DE60010366D1 (en) 2004-06-09
    FR2793868A1 (en) 2000-11-24
    EP1054199B1 (en) 2004-05-06
    DE60010366T2 (en) 2005-05-04
    FR2793868B1 (en) 2001-08-24
    ATE266169T1 (en) 2004-05-15

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